After commit c018f5fd29 Fenrir is being switched over to go. If you do not want to be part of the testing process, please switch to master.

internal/review/marks.go

@@ -0,0 +1,93 @@
+// Fenrir console screen reader.
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// This program is distributed in the hope that it will be useful, but WITHOUT
+// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+// more details.
+//
+// You should have received a copy of the GNU General Public License along with
+// this program. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
+
+package review
+
+import (
+	"strings"
+
+	"git.stormux.org/storm/fenrir/internal/i18n"
+	"git.stormux.org/storm/fenrir/internal/presentation"
+	"git.stormux.org/storm/fenrir/internal/screen"
+)
+
+func (r *Review) Set_mark() presentation.Message {
+	if !r.ready || !r.reviewing {
+		return presentation.Message{Text: i18n.T("no review cursor")}
+	}
+	if r.tableMode {
+		return r.set_table_headers()
+	}
+	point := r.y*r.screen.Cols + r.x
+	cue := presentation.PlaceStartMark
+	if r.markCount == 0 {
+		r.startMark, r.markCount = point, 1
+	} else {
+		r.endMark, r.markCount = point, 2
+		cue = presentation.PlaceEndMark
+	}
+	return presentation.Message{Text: i18n.T("set mark"), Cue: cue}
+}
+
+func (r *Review) Clear_marks() { r.markCount = 0 }
+
+// Marked_region is rectangular, unlike clipboard selection. A single mark
+// optionally selects the rest of its physical row. Table header marks never
+// enter markCount and cannot accidentally become reading regions.
+func (r *Review) Marked_region(singleLine bool) (screen.Region, bool) {
+	if !r.ready || r.markCount == 0 || r.markCount < 2 && !singleLine {
+		return screen.Region{}, false
+	}
+	x1, y1 := r.startMark%r.screen.Cols, r.startMark/r.screen.Cols
+	if r.markCount == 1 {
+		return screen.Region{Left: x1, Top: y1, Bottom: y1, ToLineEnd: true}, true
+	}
+	x2, y2 := r.endMark%r.screen.Cols, r.endMark/r.screen.Cols
+	return screen.Region{Left: min(x1, x2), Top: min(y1, y2), Right: max(x1, x2), Bottom: max(y1, y2)}, true
+}
+
+// Marked_text uses inclusive Unicode cell positions in either direction. Copy
+// with one mark takes the current review cursor as its second endpoint.
+func (r *Review) Marked_text(copying bool) (string, bool) {
+	if !r.ready || r.markCount == 0 || !copying && r.markCount < 2 {
+		return "", false
+	}
+	end := r.endMark
+	if r.markCount == 1 {
+		end = r.y*r.screen.Cols + r.x
+	}
+	start := r.startMark
+	if start > end {
+		start, end = end, start
+	}
+	var lines []string
+	for row := start / r.screen.Cols; row <= end/r.screen.Cols; row++ {
+		left, right := 0, r.screen.Cols
+		if row == start/r.screen.Cols {
+			left = start % r.screen.Cols
+		}
+		if row == end/r.screen.Cols {
+			right = end%r.screen.Cols + 1
+		}
+		text := string(r.screen.Line(row)[left:right])
+		if start/r.screen.Cols != end/r.screen.Cols {
+			text = strings.TrimRight(text, " \x00\t\r")
+		}
+		lines = append(lines, text)
+	}
+	return strings.Join(lines, "\n"), true
+}